Versatile Application: This high-precision Quantum PAR Meter is indispensable for measuring LED grow lights, ensuring optimal light levels for plants in agriculture, aquaculture, and garden gardening. High Accuracy and Efficiency: Offering precise measurements from 0 to 4,000 ?mol/m?s within the range of 400 nm to 700 nm, this meter is essential for professionals and enthusiasts seeking to optimize their grow light setup for superior plant performance. Portable and User-Friendly: Designed for mobility, this compact, handheld meter can be easily transported between different locations, making it a practical choice for on-the-go measurements in settings, from greenhouses to indoor gardens. Comprehensive Accessories: Equipped with a remote sensor and two types of connection cables (a short-coiled and a 12-foot long straight cable), this meter provides flexibility and convenience for measuring light intensity at different spots and distances. Advanced Data Storage: Capable of storing up to 99 historical records, this PAR meter is not just a measuring tool but a comprehensive data recorder, making it a vital accessory for anyone serious about indoor gardening and managing light conditions effectively. Colour:As Shown Material:ABS Package Contents: 1 * meter main unit 1 * metering sensor 1 * coiled cable 1 * straight cable 2 * AAA batteries Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.